The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 21, 1982
Filed:
Jul. 02, 1981
BASF Aktiengesellschaft, Ludwigshafen, DE;
Abstract
A stable fluid formulation which comprises (a) finely divided .alpha.- or .beta.-copper phthalocyanines or finely divided indanthrone, one or more C.sub.6 -C.sub.18 -alkylbenzenesulfonic acids (b), a basic copper phthalocyanine (c) of the formula ##STR1## where CuPc is an n-valent copper phthalocyanine radical, R.sup.1 and R.sup.2 independently of one another are H or C.sub.1 -C.sub.8 -alkyl and n is 1, 2, 3 or 4, one or more compounds (d) which are obtained by Mannich condensation of 2-hydroxy-naphthalene, which may or may not contain 1 or 2 additional .beta.-hydroxyl groups, formaldehyde and primary or secondary aliphatic, cycloaliphatic or aromatic monoamines, diamines, triamines or polyamines or 5-membered or 6-membered heterocyclic compounds which contain an >NH-- group as a ring member and which contain from 1 to 6 .beta.-hydroxynaphthyl groups, and one or more organic liquids (e). The weight ratio (b):(c):(d) is from 1:1:1 to 2.5:1.25:1. The formulations give very deeply colored finishes with which very glossy and highly transparent coatings are obtained.